Home › Method for producing precursors for L-2- [18F] fluorophenylalanine and 6- [18F] fluoro-L—meta-tyrosine and the α-methylated derivatives thereof, precursor, and method for producing L-2- [18F] fluorophenylalanine and 6- [18F] fluoro-L-meta-tyrosine and the α-methylated derivatives from the precursor